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Cheap flight deals from Saint Thomas to Ontario Starting at IDR 4,034,104

Discover our range of affordable one-way and round-trip flights from Saint Thomas to Ontario and kick-start your next adventure today!

  • One way
  • Round-trip
      • STT14:55
        11h 57m
        1 stop
        ONT22:52
        Thu, Feb 13|Saint Thomas - Ontario|Delta Air Lines
        IDR 4,034,104IDR 15,540,736
        74% OFF
        74% OFF
        IDR 15,540,736IDR 4,034,104

        Choose Delta Air Lines flights from Saint Thomas to Ontario. The one-way connecting flight with Delta Air Lines departs from Cyril E. King Airport on Thu, Feb 13, arriving at Ontario International Airport. One-way Prices start from IDR 4,034,104 including taxes and charges.

      • STT12:30
        12h 32m
        1 stop
        ONT21:02
        Thu, Feb 13|Saint Thomas - Ontario|American Airlines
        IDR 4,785,730IDR 15,540,736
        69% OFF
        69% OFF
        IDR 15,540,736IDR 4,785,730

        Choose American Airlines flights from Saint Thomas to Ontario. The one-way connecting flight with American Airlines departs from Cyril E. King Airport on Thu, Feb 13, arriving at Ontario International Airport. One-way Prices start from IDR 4,785,730 including taxes and charges.

      • STT12:30
        12h 32m
        1 stop
        ONT21:02
        Wed, Mar 5|Saint Thomas - Ontario|American Airlines
        IDR 5,701,144IDR 15,540,736
        63% OFF
        63% OFF
        IDR 15,540,736IDR 5,701,144

        Choose American Airlines flights from Saint Thomas to Ontario. The one-way connecting flight with American Airlines departs from Cyril E. King Airport on Wed, Mar 5, arriving at Ontario International Airport. One-way Prices start from IDR 5,701,144 including taxes and charges.

      • STT14:10
        34h 12m
        1 stop
        ONT21:22
        Mon, May 12|Saint Thomas - Ontario|United Airlines
        IDR 7,049,585
        IDR 7,049,585

        Choose United Airlines flights from Saint Thomas to Ontario. The one-way connecting flight with United Airlines departs from Cyril E. King Airport on Mon, May 12, arriving at Ontario International Airport. One-way Prices start from IDR 7,049,585 including taxes and charges.

      • STT14:55
        11h 57m
        1 stop
        ONT22:52
        Fri, Feb 14|Saint Thomas - Ontario|Delta Air Lines
        IDR 8,460,848
        IDR 8,460,848

        Choose Delta Air Lines flights from Saint Thomas to Ontario. The one-way connecting flight with Delta Air Lines departs from Cyril E. King Airport on Fri, Feb 14, arriving at Ontario International Airport. One-way Prices start from IDR 8,460,848 including taxes and charges.

      • STT14:10
        34h 55m
        1 stop
        ONT22:05
        Tue, Apr 1|Saint Thomas - Ontario|United Airlines
        IDR 10,291,676
        IDR 10,291,676

        Choose United Airlines flights from Saint Thomas to Ontario. The one-way connecting flight with United Airlines departs from Cyril E. King Airport on Tue, Apr 1, arriving at Ontario International Airport. One-way Prices start from IDR 10,291,676 including taxes and charges.

      • STT12:30
        12h 32m
        1 stop
        ONT21:02
        Fri, Feb 14|Saint Thomas - Ontario|American Airlines
        IDR 10,363,473
        IDR 10,363,473

        Choose American Airlines flights from Saint Thomas to Ontario. The one-way connecting flight with American Airlines departs from Cyril E. King Airport on Fri, Feb 14, arriving at Ontario International Airport. One-way Prices start from IDR 10,363,473 including taxes and charges.

      • STT14:10
        34h 12m
        1 stop
        ONT21:22
        Sun, May 4|Saint Thomas - Ontario|United Airlines
        IDR 10,527,260
        IDR 10,527,260

        Choose United Airlines flights from Saint Thomas to Ontario. The one-way connecting flight with United Airlines departs from Cyril E. King Airport on Sun, May 4, arriving at Ontario International Airport. One-way Prices start from IDR 10,527,260 including taxes and charges.

      • STT14:15
        11h 44m
        1 stop
        ONT21:59
        Sat, Feb 22|Saint Thomas - Ontario|United Airlines
        IDR 10,765,089
        IDR 10,765,089

        Choose United Airlines flights from Saint Thomas to Ontario. The one-way connecting flight with United Airlines departs from Cyril E. King Airport on Sat, Feb 22, arriving at Ontario International Airport. One-way Prices start from IDR 10,765,089 including taxes and charges.

      • STT14:15
        11h 44m
        1 stop
        ONT21:59
        Sat, Feb 15|Saint Thomas - Ontario|United Airlines
        IDR 10,809,962
        IDR 10,809,962

        Choose United Airlines flights from Saint Thomas to Ontario. The one-way connecting flight with United Airlines departs from Cyril E. King Airport on Sat, Feb 15, arriving at Ontario International Airport. One-way Prices start from IDR 10,809,962 including taxes and charges.

      • STT01:00 pm
        3h 5m
        Nonstop
        ONT02:00 pm
        Thu, Feb 20|Saint Thomas - Ontario|Delta Air Lines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Saint Thomas to Los Angeles flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA3129

    United Airlines

    09:05

    STT

    0.6h

    09:40

    SJU

    SMTWTFS
    Search

  2. UA1368

    United Airlines

    14:25

    SJU

    6.7h

    18:09

    DEN

    SMTWTFS

  3. F91499

    Frontier Airlines

    22:38

    DEN

    2.4h

    23:59

    ONT

    SMTWTFS

  4. UA3129

    United Airlines

    09:05

    STT

    0.6h

    09:40

    SJU

    SMTWTFS
    Search

  5. UA1368

    United Airlines

    14:25

    SJU

    6.7h

    18:09

    DEN

    SMTWTFS

  6. F92907

    Frontier Airlines

    09:30

    DEN

    2.5h

    11:00

    ONT

    S-T-T--

  7. AA2684

    American Airlines

    11:30

    STT

    4.3h

    15:45

    CLT

    SMTWTFS
    Search

  8. AA2276

    American Airlines

    18:46

    CLT

    5.3h

    21:05

    ONT

    SMTWTFS

  9. NK895

    Spirit Airlines

    11:41

    STT

    3.1h

    13:50

    FLL

    SMTWTFS
    Search

  10. AA2399

    American Airlines

    17:34

    FLL

    3.3h

    19:54

    DFW

    SMTWTFS

  11. AA3181

    American Airlines

    21:00

    DFW

    3.3h

    22:16

    ONT

    SMTWTFS

  12. NK792

    Spirit Airlines

    13:14

    STT

    2.5h

    15:46

    MCO

    -----F-
    Search

  13. F93311

    Frontier Airlines

    20:59

    MCO

    4.5h

    23:30

    DEN

    SMTWTFS

  14. F91261

    Frontier Airlines

    10:00

    DEN

    2.4h

    11:26

    ONT

    S--WTFS

  15. UA2208

    United Airlines

    13:17

    STT

    5.1h

    17:25

    IAH

    -----F-
    Search

  16. UA1563

    United Airlines

    20:20

    IAH

    3.7h

    22:00

    ONT

    SMTWTFS

  17. DL1950

    Delta Air Lines

    14:43

    STT

    4.3h

    18:59

    ATL

    SMTWTFS
    Search

  18. DL779

    Delta Air Lines

    20:59

    ATL

    4.7h

    22:41

    ONT

    SMTWTFS

  19. DL1857

    Delta Air Lines

    14:55

    STT

    4.2h

    18:09

    ATL

    SMTWTFS
    Search

  20. DL779

    Delta Air Lines

    20:59

    ATL

    4.7h

    22:41

    ONT

    SMTWTFS

  21. SY788

    Sun Country Airlines

    15:35

    STT

    7.9h

    22:31

    MSP

    -----FS
    Search

  22. F91291

    Frontier Airlines

    20:25

    MSP

    2.4h

    21:47

    DEN

    SMTWTFS

  23. F91261

    Frontier Airlines

    10:00

    DEN

    2.4h

    11:26

    ONT

    S--WTFS

  24. 3M123

    Silver Airways

    18:05

    STT

    0.6h

    18:40

    SJU

    SMTWTFS
    Search

  25. UA1644

    United Airlines

    07:45

    SJU

    5.1h

    10:52

    IAH

    SMTWTFS

  26. UA1563

    United Airlines

    20:20

    IAH

    3.7h

    22:00

    ONT

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Saint Thomas to Ontario?

These price trend charts carefully monitor and predict how flight prices from Saint Thomas to Ontario will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Saint Thomas (STT) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Saint Thomas to Ontario based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Saint Thomas (STT) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around IDR 6,755,665.

How to find a cheap flight from Saint Thomas to Ontario

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Saint Thomas to Ontario

Cheapest direct flight priceIDR 4,034,103
Flight distance7,374.17 km
Popular airlineSpirit Airlines

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